Are you asking for a friend?

Here's a useful primer on conscientious objection in the U.S. Armed Forces. Excerpt:

In a volunteer force, that requirement can be difficult to meet in practice. Service members who willingly entered military service must show that their objection is not tied to a specific conflict or circumstance, but reflects a broader opposition to all war. That distinction can be challenging to establish, particularly when the claimed change in belief arises after an entirely voluntary enlistment or in proximity to deployment.

The requirement that objections apply to “war in any form” reflects a policy judgment. Allowing selective objection would undermine the military’s ability to deploy forces consistently and could create inequities among service members.

Timing is another important limitation. While individuals can apply for conscientious objector status after entering service, late claims may be scrutinized more closely, especially if they arise around a deployment or disciplinary action. That does not automatically disqualify the claim, but it may affect how sincerity is evaluated.